Stanford University
ME 345 : Fatigue Design & Analysis - Syllabus
Winter 2006

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ME 345 - Fatigue Design and Analysis
1. INTRODUCTION

1.1 Fatigue Mechanisms
1.2 Overview and Examples
1.3 Fatigue Design Strategies

2. UNIAXIAL FATIGUE

2.1 Elastic Stress Analysis

    2.1.1 S-N Data
    2.1.2 Mean Stress Effect
    2.1.3 Stress Concentration (Notch) Effect

2.1 Localized Elastic-Plastic Stress-Strain Analysis

    2.2.1 Cyclic Stress-Strain Behavior
    2.2.2 Strain-Life Data
    2.2.3 Notch Stress-Strain Analysis (Neuber's Rule)

3. CUMULATIVE FATIGUE DAMAGE and LIFE PREDICTION FOR
    VARIABLE AMPLITUDE and IRREGULAR LOADINGS

3.1 Miner's Rule
3.2 Cycle Counting

    3.2.1 Rainflow Method
    3.2.2 Load Sequence Effects

4. FATIGUE CRACK GROWTH LIFE PREDICTION METHODS

4.1 Basics of Linear Elastic Fracture Mechanics
4.2 Crack Growth Rate Data
4.3 Mean Stress Effect
4.4 Variable Amplitude and Irregular Loadings
4.5 Load Seqeunce Effects
4.6 Fatigue Microcrack Growth Behavior

5. RESIDUAL STRESSES

5.1 Sources in Manufacturing and Fabrication
5.2 Effects on Fatigue Performance
5.3 Use of Manufacturing Processes to Improve Fatigue Strength
5.4 Methods to Account for Residual Stresses in Life Predictions

6. MULTIAXIAL FATIGUE

6.1 Conventional Life Prediction Approaches and their Limitations
6.2 Newer Approaches (Critical Plane and Energy Approaches)

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